1 // Set up namespace and some state.
3 // Settings to pass to pz2.js
4 useSessions: Drupal.settings.mkdru.use_sessions === '1',
5 // showResponseType: 'json',
11 pazpar2Path: Drupal.settings.mkdru.pz2_path,
16 max: Drupal.settings.mkdru.source_max
20 max: Drupal.settings.mkdru.subject_max
24 max: Drupal.settings.mkdru.author_max
42 // So we can use jQuery BBQ with Drupal 6 and its 1.2.6 jQuery
43 if (!$.isArray) $.isArray = function(obj) {
44 return Object.prototype.toString.call(obj) === "[object Array]";
47 // BBQ has no handy way to remove params without changing the hash.
48 // This takes an object to add and an array of keys to delete.
49 mkdru.hashAddDelMany = function (add, del) {
50 var newHash = $.deparam.fragment();
51 if (typeof(add) === 'object')
52 $.extend(newHash, add);
54 for (var i=0; i < del.length; i++)
55 if (newHash[del[i]] !== 'undefined')
56 delete newHash[del[i]];
57 return $.param.fragment("#", newHash);
60 // It's sometimes cumbersome that object literals can't take variable keys.
61 mkdru.hashAddDelOne = function (key, value, del) {
72 return mkdru.hashAddDelMany(toAdd, toDel);
77 // pz2.js event handlers:
78 mkdru.pz2Init = function () {
79 if (mkdru.state.query) {
83 //mkdru.pz2.bytarget();
86 mkdru.pz2Show = function (data) {
87 mkdru.totalRec = data.merged;
88 $('.mkdru-pager').html(mkdru.generatePager());
89 $('.mkdru-counts').html(Drupal.theme('mkdruCounts', data.start + 1,
90 data.num, data.merged, data.total));
92 for (var i = 0; i < data.hits.length; i++) {
93 html += Drupal.theme('mkdruResult', data.hits[i],
94 i + 1 + mkdru.state.perpage * (mkdru.state.page - 1),
95 "#" + $.param.fragment($.param.fragment(
96 window.location.href, {recid: data.hits[i].recid})) + "\n"
99 $('.mkdru-result-list').html(html);
100 if (mkdru.state.recid) {
101 mkdru.pz2.record(mkdru.state.recid);
104 $('.mkdru-results').show();
108 mkdru.pz2Status = function (data) {
109 $('.mkdru-status').html(Drupal.theme('mkdruStatus', data.activeclients, data.clients));
112 mkdru.pz2Term = function (data) {
113 for (var facet in mkdru.facets) {
115 if (mkdru.state['limit_' + facet]) {
116 $('.mkdru-facet-' + facet).html(Drupal.theme('mkdruFacetLimit',
117 data[mkdru.facets[facet].pz2Name][0],
118 mkdru.hashAddDelOne(null, null, 'limit_' + facet)));
120 $('.mkdru-facet-' + facet).html(Drupal.theme('mkdruFacet',
121 data[mkdru.facets[facet].pz2Name],
122 facet, mkdru.facets[facet].max));
127 mkdru.pz2ByTarget = function (data) {
131 mkdru.pz2Record = function (data) {
132 clearTimeout(mkdru.pz2.showTimer);
133 $('.mkdru-results').hide();
134 $('.mkdru-detail').html(Drupal.theme('mkdruDetail', data,
135 mkdru.hashAddDelOne(null, null, 'recid')));
136 $('.mkdru-detail').show();
137 clearTimeout(mkdru.pz2.recordTimer);
142 // State and URL handling
144 // populate state from an object and fill in the blanks with defaults
145 mkdru.stateFromObject = function (obj) {
146 mkdru.state = $.extend({}, mkdru.defaultState);
147 for (var key in mkdru.defaultState)
148 if (typeof(obj[key]) != "undefined")
149 mkdru.state[key] = obj[key];
152 // populate state from current window's hash string
153 mkdru.stateFromHash = function () {
154 mkdru.stateFromObject($.deparam.fragment());
157 // set current window's hash string from state
158 mkdru.hashFromState = function () {
159 // only include non-default settings in the URL
160 var alteredState = {};
161 for (var key in mkdru.defaultState) {
162 if (mkdru.state[key] != mkdru.defaultState[key]) {
163 alteredState[key] = mkdru.state[key];
166 $.bbq.pushState(alteredState, 2);
169 // update mkdru_form theme's ui to match state
170 mkdru.uiFromState = function () {
171 for (var key in mkdru.state) {
174 $('.mkdru-search input:text').attr('value', mkdru.state[key]);
177 $('.mkdru-perpage').attr('value', mkdru.state[key]);
180 $('.mkdru-sort').attr('value', mkdru.state[key]);
186 mkdru.hashChange = function () {
187 mkdru.stateFromHash();
188 // Request for details
189 if (mkdru.state.recid) {
190 mkdru.pz2.record(mkdru.state.recid);
192 // Other internal link
194 // may need to run search again to limit targets
195 for (key in mkdru.state) {
196 if (key.substring(0,5) === 'limit') {
201 mkdru.pz2.showPage(mkdru.state.page-1);
202 $('.mkdru-detail').hide();
203 $('.mkdru-results').show();
209 //form submit handler
210 mkdru.submitQuery = function () {
211 // new query, back to defaults (shallow copy)
212 mkdru.state = $.extend({}, mkdru.defaultState);
213 mkdru.state.query = $('.mkdru-search input:text').attr('value');
214 mkdru.pollDropDowns();
215 mkdru.hashFromState();
221 //criteria drop-down (perpage, sort) handler
222 mkdru.submitCriteria = function () {
223 mkdru.pollDropDowns();
224 //search is not ON, do nothing
225 if (!mkdru.active) return false;
226 // pages mean different things now
227 mkdru.state.page = 1;
228 mkdru.hashFromState();
229 mkdru.pz2.show(0, mkdru.state.perpage, mkdru.state.sort);
233 mkdru.search = function () {
235 var query = mkdru.state.query;
237 // facet limit implementation
238 if (mkdru.state.limit_source) {
239 filter = 'pz:id=' + mkdru.state.limit_source;
241 if (mkdru.state.limit_subject) {
242 query += ' and su="' + mkdru.state.limit_subject + '"';
244 if (mkdru.state.limit_author) {
245 query += ' and au="' + mkdru.state.limit_author + '"';
247 mkdru.pz2.search(query, mkdru.state.perpage, mkdru.state.sort, filter);
248 //inform others that the search is ON
252 mkdru.pollDropDowns = function () {
253 mkdru.state.perpage = $('.mkdru-perpage').attr('value');
254 mkdru.state.sort = $('.mkdru-sort').attr('value');
257 mkdru.generatePager = function () {
258 // make sure page param is a number, otherwise pageing frwd will be broken
259 if (typeof mkdru.state.page == "string") {
260 mkdru.state.page = Number(mkdru.state.page);
262 var total = Math.ceil(mkdru.totalRec / mkdru.state.perpage);
263 var first = (mkdru.state.page - mkdru.pagerRange > 0)
264 ? mkdru.state.page - mkdru.pagerRange : 1;
265 var last = first + 2 * mkdru.pagerRange < total
266 ? first + 2 * mkdru.pagerRange : total;
271 if ((mkdru.state.page - 1) >= first) {
272 prev = "#" + $.param.fragment($.param.fragment(
273 window.location.href, {page: mkdru.state.page - 1}))
275 if ((mkdru.state.page + 1) <= total) {
276 next = "#" + $.param.fragment($.param.fragment(
277 window.location.href, {page: mkdru.state.page + 1}))
280 for (var i = first; i <= last; i++) {
281 pages.push("#" + $.param.fragment($.param.fragment(
282 window.location.href, {page: i})));
285 return Drupal.theme('mkdruPager', pages, first, mkdru.state.page,
291 // wait until the DOM is ready, bind events
292 // and instantiate pz2 library
293 $(document).ready(function () {
294 $(window).bind( 'hashchange', mkdru.hashChange);
295 $('.mkdru-search').bind('submit', mkdru.submitQuery);
296 $('.mkdru-search input:text').attr('value', '');
297 $('.mkdru-perpage').bind('change', mkdru.submitCriteria);
298 $('.mkdru-sort').bind('change', mkdru.submitCriteria);
300 // generate termlist for pz2.js and populate facet limit state
302 for (var key in mkdru.facets) {
303 termlist.push(mkdru.facets[key].pz2Name);
304 mkdru.defaultState['limit_' + key] = null;
307 mkdru.pz2 = new pz2( { "onshow": mkdru.pz2Show,
308 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
309 "pazpar2path": mkdru.pazpar2Path,
310 "oninit": mkdru.pz2Init,
311 "onstat": mkdru.pz2Status,
312 "onterm": mkdru.pz2Term,
313 "termlist": termlist.join(','),
314 "onbytarget": mkdru.pz2ByTarget,
315 "usesessions" : mkdru.useSessions,
316 "showResponseType": mkdru.showResponseType,
317 "onrecord": mkdru.pz2Record,
318 "autoInit": false } );
320 // initialise state to hash string or defaults
321 mkdru.stateFromHash();
322 // and update UI to match
326 if (typeof(Drupal.settings.mkdru.query) !== "undefined") {
327 mkdru.state.query = Drupal.settings.mkdru.query
330 //not running against SP? init, otherwise authenticate
331 if (mkdru.useSessions) {
335 var user = Drupal.settings.mkdru.sp_user;
336 var pass = Drupal.settings.mkdru.sp_pass;
338 params['command'] = 'auth';
340 params['action'] = 'login';
341 params['username'] = user;
342 params['password'] = pass;
344 params['action'] = 'ipauth';
346 var authReq = new pzHttpRequest(mkdru.pazpar2Path,
348 alert("Authentication against metasearch gateway failed: " +err);
353 var s = data.getElementsByTagName('status');
354 if (s.length && Element_getTextContent(s[0]) == "OK") {
355 mkdru.realm = data.getElementsByTagName('realm');
358 alert("Malformed response when authenticating against the metasearch"